Resubmissions

19-10-2023 14:20

231019-rnhbgshh48 10

19-10-2023 14:11

231019-rg86mahh24 10

13-10-2023 14:40

231013-r11zcsad9w 10

Analysis

  • max time kernel
    206s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 14:40

General

  • Target

    Qak_02CF0000.dll

  • Size

    124KB

  • MD5

    1732464a22a6d4d656b12500de0d9494

  • SHA1

    477f2b33ff38b3806a80fb1133eec32d1d264c55

  • SHA256

    8cb602444ed6e9f554ca05c916839957b88a6abc9b6e67958bae6a7740f01bf4

  • SHA512

    861d5e0129e637ba60a7fba759c0052cf4b4f6392307557cd0b46ab5fc49350bf519b17f117a703fca161a2bb6de3dd8a9873cdb63ed20599f461942894d9027

  • SSDEEP

    3072:z6gdJqokMqk/cfhlbMQTrJhVE/2fTBfAhV7g6Z:ugjqor/cfh2Q/J4/2fTBYYK

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

obama150

Campaign

1640256791

C2

96.21.251.127:2222

70.51.134.181:2222

69.14.172.24:443

186.64.87.213:443

94.62.161.77:995

103.139.242.30:990

114.79.148.170:443

217.164.247.241:2222

178.153.86.181:443

136.232.34.70:443

37.210.226.125:61202

173.21.10.71:2222

31.219.154.176:32101

140.82.49.12:443

32.221.229.7:443

24.152.219.253:995

106.51.48.170:50001

114.38.161.124:995

96.37.113.36:993

190.39.205.165:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Qak_02CF0000.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\Qak_02CF0000.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2724
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pwdritcev /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\Qak_02CF0000.dll\"" /SC ONCE /Z /ST 14:45 /ET 14:57
          4⤵
          • Creates scheduled task(s)
          PID:2520
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9C999B36-FC18-4524-B2C6-9242585916B5} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\Qak_02CF0000.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\Qak_02CF0000.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:2980
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Kvaimvieuak" /d "0"
            5⤵
            • Windows security bypass
            PID:1956
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Uqolumxucnya" /d "0"
            5⤵
            • Windows security bypass
            PID:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Qak_02CF0000.dll

    Filesize

    124KB

    MD5

    1732464a22a6d4d656b12500de0d9494

    SHA1

    477f2b33ff38b3806a80fb1133eec32d1d264c55

    SHA256

    8cb602444ed6e9f554ca05c916839957b88a6abc9b6e67958bae6a7740f01bf4

    SHA512

    861d5e0129e637ba60a7fba759c0052cf4b4f6392307557cd0b46ab5fc49350bf519b17f117a703fca161a2bb6de3dd8a9873cdb63ed20599f461942894d9027

  • \??\PIPE\wkssvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Temp\Qak_02CF0000.dll

    Filesize

    124KB

    MD5

    1732464a22a6d4d656b12500de0d9494

    SHA1

    477f2b33ff38b3806a80fb1133eec32d1d264c55

    SHA256

    8cb602444ed6e9f554ca05c916839957b88a6abc9b6e67958bae6a7740f01bf4

    SHA512

    861d5e0129e637ba60a7fba759c0052cf4b4f6392307557cd0b46ab5fc49350bf519b17f117a703fca161a2bb6de3dd8a9873cdb63ed20599f461942894d9027

  • memory/2724-6-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2724-5-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2724-8-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2724-0-0x0000000000080000-0x0000000000082000-memory.dmp

    Filesize

    8KB

  • memory/2724-4-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2724-1-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2980-16-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2980-18-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2980-19-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB

  • memory/2980-20-0x00000000000E0000-0x0000000000101000-memory.dmp

    Filesize

    132KB